[jboss-user] [Clustering/JBoss] - multiple database servers for a multi-tenant environment

lent do-not-reply at jboss.com
Mon Sep 10 18:36:35 EDT 2007


We have a Software as a Service (SaaS), multi-tenant hosting platform where we assign tenants to different database servers.  We have been handling this so far by getting database connections through code where we get the connection to the right database server for the current user based on which tenant he is with.

We are switching to a design where we no longer control the obtaining of the database connection since the connection is being obtained automatically based on configuration of datasource and persistence (persistence-unit).  But we still need some way to support the selection of correct database server based on the tenant.  We do NOT want to deploy an enterprise app multiple times (once for each tenant with a different datasource configuration).  A couple of ideas we have are:
1) when looking up the datasource in jndi using jndi-name (e.g. jdbc/myDatasource), return a different datasource based on the user context.  I don't know how feasible this is without maybe writing our own jndi service.
2) using AOP features, intercept the code obtaining the database connection and return the connection to the correct database server rather than the one that is configured.  Again, I don't know how feasible this is.

If you have any suggestions on a different approach or any suggestions on one of the two approaches (or even the infeasibility of them), please let me know.

Len Takeuchi

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